4P 625+ Extreme Duty Head-Studs Tools Pro Series Cam Gears feature

Pro Series Cam Gears feature precision-machined

OEM Guides left in for porting

5mm Piston makes 2381cc

-Available with or without crankshaft

-K20C Type R

4P 625+ Extreme Duty Head-Studs Tools Pro Series Cam Gears featureIN STOCK 4 Piston Racing Head Stud Kit for Honda Acura B & K Series (B18C1, B18C5, B20VTEC, LSVTEC, K20, K24, K20C1 Type R, k20c4) These studs are made exclusively for 4 Piston by ARP to be the absolute best for your racing engine. There is no other material on the market better suited for cylinder head clamping. 625+ material is substantially stronger than any entry level 8740 head stud material, and substantially stronger than L19. L19 is subject to